Process for producing toner particles

Details Process for producing toner particles Process for producing toner particles

2005-10-04

2005-10-04

Dote, Janis L. (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Process of making developer composition

C430S137100, C430S137170

Reexamination Certificate

active

06951704

ABSTRACT:
In a process for producing toner particles by pre-dispersing at least a colorant and/or a release agent in a first dispersion medium to prepare a first fluid mixture, preparing a second fluid mixture from the first fluid mixture by means of a fine-dispersion machine, and forming toner particles from the second fluid mixture;(i) the fine-dispersion machine has at least a first treatment ring and a second treatment ring approachable to and separable from the former and a rotary drive mechanism which makes the former rotate relatively to the latter, and (ii) the first fluid mixture is introduced to the part between the first treatment ring and the second treatment ring to make the latter separate from the former, and the colorant and/or the release agent are dispersed in the form of fine particles by the rotation of the first treatment ring to obtain the second fluid mixture.

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